Shoe stud



FIG. 1 is a front elevational view of a shoe stud showing my new design of which a rear elevational view is a mirror image;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof; and,

FIG. 5 is a bottom view thereof. 

The ornamental design for a shoe stud, as shown and described. 